A purge exhaust processor includes an inlet chamber, a sump chamber, a selectively charged surface in the inlet chamber, and an orifice. The inlet chamber receives purge exhaust including at least one of air, water vapor, oil aerosol, and water aerosol. The selectively charged surface agglomerates a
A purge exhaust processor includes an inlet chamber, a sump chamber, a selectively charged surface in the inlet chamber, and an orifice. The inlet chamber receives purge exhaust including at least one of air, water vapor, oil aerosol, and water aerosol. The selectively charged surface agglomerates at least one of the oil aerosol and water aerosol into a liquid. The orifice is sized for passing the agglomerated liquid from the inlet chamber to the sump chamber.
대표청구항▼
1. A purge exhaust processor, comprising: an inlet chamber for receiving purge exhaust, the purge exhaust including at least one of air, water vapor, oil aerosol, and water aerosol;a sump chamber;a selectively charged surface in the inlet chamber for agglomerating at least one of the oil aerosol and
1. A purge exhaust processor, comprising: an inlet chamber for receiving purge exhaust, the purge exhaust including at least one of air, water vapor, oil aerosol, and water aerosol;a sump chamber;a selectively charged surface in the inlet chamber for agglomerating at least one of the oil aerosol and water aerosol into a liquid; andan orifice sized for passing the liquid from the inlet chamber to the sump chamber. 2. The purge exhaust processor as set forth in claim 1, further including: a purge inlet port in the inlet chamber;a vent port in the inlet chamber communicating with atmosphere;wherein purge exhaust enters the inlet chamber via the purge inlet port;wherein a vortex is created by the purge exhaust entering the inlet chamber tangentially; andwherein centrifugal force causes at east one of relatively larger parts and relatively heavier parts of the purge exhaust to separate to an outside of the vortex in the inlet chamber, while the air of the purge exhaust exits the inlet chamber via the vent port. 3. The purge exhaust processor as set forth in claim 1, wherein: the charged surface includes a conductive plate. 4. The purge exhaust processor as set forth in claim 1, wherein: electrically non-conductive walls define the inlet chamber and the sump chamber; andthe charged surface is secured to one of the electrically non-conductive walls. 5. The purge exhaust processor as set forth in claim 1, wherein: the water aerosol and oil aerosol in the purge exhaust entering the inlet chamber are electrostatically attracted to the charged surface and agglomerated into a liquid;the charged surface is angled toward the orifice; andgravity causes the liquid to pass from the angled charged surface to the sump chamber via the orifice. 6. The purge exhaust processor as set forth in claim 5, further including: a drain port in the sump chamber; anda drain valve in the drain port, the liquid in the sump chamber passing from the sump chamber to a compressor oil reservoir when the drain valve is open. 7. The purge exhaust processor as set forth in claim 1, wherein: a plurality of walls define the inlet chamber and the sump chamber;one of the walls is electrically conductive and is electrically isolated from the other walls; andthe electrically conductive wall is the charged surface. 8. The purge exhaust processor as set forth in claim 7, wherein: the oil aerosol and water aerosol in the purge exhaust entering the inlet chamber are electrostatically attracted to the charged electrically conductive wall;the charged electrically conductive wall is angled toward the orifice; andgravity causes the liquid to pass from the angled charged electrically conductive wall to the sump chamber via the orifice. 9. The purge exhaust processor as set forth in claim 1, wherein: the orifice is sized to pass the liquid of the purge exhaust to the sump chamber; andthe orifice is sized to pass the liquid while limiting the pressurization of the sump chamber. 10. The purge exhaust processor as set forth in claim 1, further including: a drain port in the sump chamber, the liquid in the sump chamber passing from the sump chamber to a compressor oil reservoir via the drain port. 11. The purge exhaust processor as set forth in claim 1, further including: a vent port in the inlet chamber communicating with atmosphere wherein the air of the purge exhaust exits the inlet chamber via, the vent port. 12. A method for processing purge exhaust from an air dryer, the method comprising: receiving purge exhaust in an inlet chamber;electrostatically attracting water aerosol and oil aerosol in the purge exhaust to a charged surface in the inlet chamber and agglomerating at least one of the water aerosol and oil aerosol into a liquid; andpassing the liquid from the charged surface to a sump chamber. 13. The method for processing purge exhaust from an air dryer as set forth in claim 12, wherein the passing step includes: gravitationally flowing the liquid from the charged surface to the sump chamber via an orifice. 14. The method for processing purge exhaust from an air dryer as set forth in claim 12, further including: passing the liquid from the sump chamber to a compressor oil reservoir. 15. The method for processing purge exhaust from an air dryer as set forth in claim 12, further including: passing air in the purge exhaust to atmosphere via a vent port in the inlet chamber. 16. The method for processing purge exhaust from an air dryer as set forth in claim 12, further including: creating a vortex in the inlet chamber from the received purge exhaust;passing air in the purge exhaust to atmosphere via a vent port of the inlet chamber that is positioned toward a central axis of the vortex; andpassing the particulates in the purge exhaust toward an outside of the vortex, via centrifugal force, so the particulates are relatively closer to the charged surface. 17. A system for processing purge exhaust, comprising: an air dryer;a compressor generating compressed air fluidly transmitted to a supply port of the air dryer;a high voltage generating device; anda purge exhaust processor, including: an inlet port fluidly connected to a purge valve of the air dryer, the purge exhaust processor receiving purge exhaust from the air dryer, the purge exhaust including air, water aerosol and oil aerosol;an inlet chamber receiving the purge exhaust via the inlet port;a sump chamber;a charged surface, in the inlet chamber connected to the high voltage generating device, that electrostatically attracts the water aerosol and oil aerosol of the purge exhaust and agglomerates the water aerosol and oil aerosol into a liquid; andan orifice sized for passing the liquid from the charged surface to the sump chamber. 18. The system for processing purge exhaust as set forth in claim 17, wherein: the charged surface includes a conductive plate electrically isolated from walls of the inlet chamber and the sump chamber. 19. The system for processing purge exhaust as set forth in claim 17, wherein: the charged surface is at least a part of one of a plurality of walls of the inlet chamber; andthe wall including the charged surface is electrically isolated from the other walls of the inlet chamber. 20. The system for processing purge exhaust as set forth in claim 17, wherein: the charged surface is downwardly sloped toward the orifice; andgravity causes the particles on the charged surface to flow to the sump chamber via the orifice. 21. A purge exhaust processor, comprising: an inlet chamber;a sump chamber;means for attracting effluent in purge exhaust; andmeans for passing the effluent from the inlet chamber to the sump chamber.
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